Remove Last In Linked List
1. You are given a partially written LinkedList class. 2. Here is a list of existing functions: 2.1 addLast - adds a new element with given value to the end of Linked List 2.2. display - Prints the elements of linked list from front to end in a single line. All elements are separated by space 2.3. size - Returns the number of elements in the linked list. 2.4. removeFirst - Removes the first element from Linked List. 2.5. getFirst - Returns the data of first element. 2.6. getLast - Returns the data of last element. 2.7. getAt - Returns the data of element available at the index passed. 2.8. addFirst - adds a new element with given value in front of linked list. 2.9. addAt - adds a new element at a given index. 3. You are required to complete the body of removeLast function. This function should remove the last element and update appropriate data members. If the size is 0, should print "List is empty". If the size is 1, should set both head and tail to null. 4. Input and Output is managed for you.
Input is managed for you
Output is managed for you
addFirst 10 getFirst addAt 0 20 getFirst getLast display size addAt 2 40 getLast addAt 1 50 addFirst 30 removeFirst getFirst removeLast removeLast addAt 2 60 display size removeFirst removeLast getFirst quit
10 20 10 20 10 2 40 20 20 50 60 3 50